# SDR UALA2012100205589

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 1, 2012
- Submitted: November 15, 2012
- Operation: Air carrier
- Aircraft: [N197UA](https://openairdocs.org/aircraft/N197UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 26901
- Aircraft time: 61,452 hours, 7,236 cycles
- Engine: Pwa PW4056
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Cotter Pin
- Condition: Missing
- Location: Te Flap
- Stage of operation: IN
- How discovered: V
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012100205589

## Discrepancy

RIGHT WING INBOARD MIDFLAP INBOARD CARRIAGE SPINDLE AFT ATTACH LINK LOWER CASTLELATED NUT IS MISSING COTTER KEY.  FOUND WASHER MS15795-828 NOT INSTALLED AS CALLED OUT PER AMM.  TORQUED CASTLE NUT AND INSTALLED COTTER PIN PER AMM.  RIGHT WING INBOARD MIDFLAP, INBOARD CARRIAGE SPINDLE ACCESS PANEL REMOVED.  INSTALLED PANEL.

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